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Thread: BSOD's with Prime95 ver. 27.4




  1. #11
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: BSOD's with Prime95 ver. 27.4

    Great to see some progress and success here! I haven't even tried this version yet, so I guess I'll have to check it out sometime soon.

    I've been a 5-10 LinX and HCI memtest guy for a long time, haven't seen any need for Prime95 testing anymore lately but I guess I'll check this out now that it's been properly updated for newer CPU's

  2. #12
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    Default Re: BSOD's with Prime95 ver. 27.4

    Quote Originally Posted by flyfisher View Post
    ... In Windows CPU-Z shows 1.296 Vcore under load with ver. 27.4, 1.284 with ver. 26.6.
    yeah, 27.4 is less droop on vcore compared to 26 and linx... this shift in behaviour is making it an other test than it used to be, more imc/memory critical (and perhaps less cpu?)...
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  3. #13
    Lsdmeasap's Avatar
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    Default Re: BSOD's with Prime95 ver. 27.4

    Nice, I'll try it out sometime again! I just don't have time for 8+ hours of testing, so I doubt I'll ever use it for any frequent stability testing purposes

  4. #14
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    Default Re: BSOD's with Prime95 ver. 27.4

    Glad to see that you're making progress. Congratulations!
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  5. #15
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    Default Re: BSOD's with Prime95 ver. 27.4

    The extended runs of Prime95 were the ones really getting to me. I could pass LinX, OCCT, HCI perfectly but get 3-5 hours into a Prime95 run and BSOD. Not that I'd ever have my ram, cpu and imc under full load for 5 hours, but still comforting to know that it's toaster stable when passing all of the stress tests including a nice long 8 or more hour run of Prime95.
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  6. #16
    Chike is offline Senior Member
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    Default Re: BSOD's with Prime95 ver. 27.4

    Try to run the FFT size that caused the BSOD, you might not need to wait 5 hours for it.
    It's not the time it was running it's pecific pattern that cause it.

  7. #17
    flyfisher is offline Member
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    Default Re: BSOD's with Prime95 ver. 27.4

    Good idea, you can see what FFT it was on when it BSODed (is that a verb?) in the results.txt file.

  8. #18
    Chike is offline Senior Member
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    Default Re: BSOD's with Prime95 ver. 27.4

    in case of BSOD it would be diffcult to see what was the FFT size but you can see what was last successful FFT run and assume that the one that comes after is the one that cause it.
    I am not sure if all computers run the same sequence but you can set time to run each test to one and run at default settings for an hour or two and you will have the list of FFT size sequnce you will ever run. By default Prime95 run each test 15 minutes that is 4 sizes per hour.
    The successful runs are listed in results.txt in Prime95 directory.

  9. #19
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    Default Re: BSOD's with Prime95 ver. 27.4

    Yep, did all of that but last successful run prior to failures were different. I was a little too over confident because I didn't even do short runs of 1344 and 1792ftts..... in the beginning. I incorrectly assumed that hitting 4.5Ghz was going to be a walk in the park. After a few hours/then days of frustration I settled in and started doing it "right". Anyway, long story short - if I could pass 15 minute Prime95 runs on the 1344fft and 1792fft I was good to go for long term Prime95 stability test.
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  10. #20
    Chike is offline Senior Member
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    Default Re: BSOD's with Prime95 ver. 27.4

    Those large FFts so maybe higher VCCIO and possibly higher VCCSA would solve it.

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